The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 18, 2009
Filed:
Jun. 30, 2006
Hiroshi Suzuki, Sagamihara, JP;
Tomokazu Yokoyama, Fujisawa, JP;
Masato Ogawa, Chigasaki, JP;
Tetsuya Inoue, Odawara, JP;
Hiromi Matsushige, Hiratsuka, JP;
Masateru Kurokawa, Chigasaki, JP;
Hiroshi Suzuki, Sagamihara, JP;
Tomokazu Yokoyama, Fujisawa, JP;
Masato Ogawa, Chigasaki, JP;
Tetsuya Inoue, Odawara, JP;
Hiromi Matsushige, Hiratsuka, JP;
Masateru Kurokawa, Chigasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A storage system includes a plurality of disk drives, one or more controller boards for controlling data read and write from/to the plurality of the disk drives, and a Fibre Channel switching board for controlling path switching between the controller boards and the plurality of the disk drives. The Fibre Channel switching board has a control logical circuit for adjusting a control signal system between the controller boards and the disk drives according to a connection confirmation signal indicating whether or not the control signal cable is connected to the Fibre Channel switching board.